Front-removable gauge

Details Front-removable gauge Front-removable gauge

1996-04-10

1997-09-30

Chilcot, Richard

Measuring and testing

Instrument casing

324156, 361659, G01D 1124

Patent

active

056728239

ABSTRACT:
A front removable gauge assembly including a case gauge housing for locking the assembly to an instrument panel. A printed circuit board is mounted within the case gauge housing in electrical contact with conductors of a connector shell which extends from the case gauge housing for electrically connecting elements on the printed circuit board to an instrument signal source. A front removable gauge unit is removably mounted within the case gauge housing and contains an instrument assembly which can be mounted for 90-degree or 255-degree pointer sweep. From the bottom of the front removable gauge unit, a connector stud and wiper contacts extend. The connector stud has a protruding key which engages the bottom surface of the printed circuit board upon clockwise rotation of the front removable gauge unit to thereby removably lock it to the printed circuit boards. Also, with rotation, the wiper contacts are pressed against contact pads on the printed circuit board from which they remove oxidation and improve electrical contact. For removal, the front removable gauge unit is simply rotated in a counterclockwise direction to disengage the key from the printed circuit board.

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